User talk:121.52.144.181

March 2009
Welcome to Wikipedia. The recent edit you made to the page Markov information source has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. -- Menti  fisto  09:43, 2 March 2009 (UTC)

February 2018
Hello, I'm Oshwah. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Inclusion–exclusion principle— because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks.  ~Oshwah~  (talk) (contribs)   06:20, 19 February 2018 (UTC)